22137874 has 8 divisors (see below), whose sum is σ = 36225648. Its totient is φ = 10062660.

The previous prime is 22137851. The next prime is 22137881. The reversal of 22137874 is 47873122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503112 + ... + 503155.

It is an arithmetic number, because the mean of its divisors is an integer number (4528206).

Almost surely, 2^22137874 is an apocalyptic number.

22137874 is a deficient number, since it is larger than the sum of its proper divisors (14087774).

22137874 is a wasteful number, since it uses less digits than its factorization.

22137874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006280.

The product of its digits is 18816, while the sum is 34.

The square root of 22137874 is about 4705.0902223018. The cubic root of 22137874 is about 280.7880605335.

The spelling of 22137874 in words is "twenty-two million, one hundred thirty-seven thousand, eight hundred seventy-four".